Arctic Blue vs Eurasian Eagle-Owl

Agriades aquilo compared with Bubo bubo

Key Differences

• Arctic Blue is Near Threatened while Eurasian Eagle-Owl is Endangered.

Taxonomic Classification

Rank	Arctic Blue	Eurasian Eagle-Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Strigiformes (Owls)
Family	Lycaenidae	Strigidae (True Owls)
Genus	Agriades	Bubo (Eagle Owls)
Species	Agriades aquilo	Bubo bubo

Evolutionary Relationship

Arctic Blue and Eurasian Eagle-Owl share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Eurasian Eagle-Owl

EN — Endangered

Population: ~400.0K

Trend: Stable →

Physical Characteristics

Attribute	Arctic Blue	Eurasian Eagle-Owl
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	70 cm
Average Weight	—	3.0 kg

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Eurasian Eagle-Owl

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Found across Europe (9 countries) and South America (Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Eurasian Eagle-Owl

The world's largest owl species by height and weight, Eurasian eagle-owls have wingspans up to 1.9 meters and inhabit rocky landscapes, forest edges, and cliffs from Europe across Asia to China. Silent nocturnal hunters with powerful talons, they prey on rabbits, hares, foxes, and even other raptors. Their deep, resonant hooting carries over great distances. Relatively stable in population, though persecuted historically.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden